feat: stock module

stock/migrations/0019_alter_inventory_unique_together.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-04 05:18
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0017_product_image'),
+        ('stock', '0018_remove_inventory_unit'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='inventory',
+            unique_together={('product', 'warehouse')},
+        ),
+    ]

stock/migrations/0020_stockchangerecord.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.2.7 on 2025-11-04 05:51
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0019_alter_inventory_unique_together'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='StockChangeRecord',
+            fields=[
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('id', models.BigAutoField(primary_key=True, serialize=False)),
+                ('type', models.IntegerField(choices=[(1, '入库'), (2, '出库')], verbose_name='变动类型')),
+                ('source_type', models.IntegerField(choices=[(1, '采购'), (2, '销退'), (3, '调入'), (4, '盘盈'), (5, '销售'), (6, '采购退货'), (7, '调出'), (8, '盘亏')], verbose_name='变动来源')),
+                ('remarks', models.TextField(blank=True, null=True, verbose_name='备注')),
+            ],
+            options={
+                'verbose_name': '出入库记录',
+                'verbose_name_plural': '出入库记录',
+            },
+        ),
+    ]

stock/migrations/0021_stockchangerecord_is_finished_and_more.py

@@ -0,0 +1,37 @@
+# Generated by Django 5.2.7 on 2025-11-04 05:57
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0017_product_image'),
+        ('stock', '0020_stockchangerecord'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stockchangerecord',
+            name='is_finished',
+            field=models.BooleanField(default=False, verbose_name='完成出入库'),
+        ),
+        migrations.AddField(
+            model_name='stockchangerecord',
+            name='product',
+            field=models.ForeignKey(default=None, on_delete=django.db.models.deletion.PROTECT, related_name='stock_change_records', to='basic_info.product', verbose_name='产品'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='stockchangerecord',
+            name='source_id',
+            field=models.BigIntegerField(blank=True, null=True, verbose_name='来源单据ID'),
+        ),
+        migrations.AddField(
+            model_name='stockchangerecord',
+            name='warehouse',
+            field=models.ForeignKey(default=None, on_delete=django.db.models.deletion.PROTECT, related_name='stock_change_records', to='basic_info.warehouse', verbose_name='仓库'),
+            preserve_default=False,
+        ),
+    ]

stock/migrations/0022_stockchangerecord_quantity_stockchangerecord_unit.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2025-11-04 06:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0021_stockchangerecord_is_finished_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stockchangerecord',
+            name='quantity',
+            field=models.IntegerField(default=1, verbose_name='数量'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='stockchangerecord',
+            name='unit',
+            field=models.IntegerField(choices=[(1, '米'), (2, '码'), (3, '公斤')], default=1, verbose_name='单位'),
+            preserve_default=False,
+        ),
+    ]

stock/migrations/0023_stockchangerecord_num_of_rolls.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-04 06:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0022_stockchangerecord_quantity_stockchangerecord_unit'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stockchangerecord',
+            name='num_of_rolls',
+            field=models.IntegerField(blank=True, null=True, verbose_name='匹数'),
+        ),
+    ]

stock/migrations/0024_stockchangerecord_created_by.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.2.7 on 2025-11-04 06:35
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0023_stockchangerecord_num_of_rolls'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stockchangerecord',
+            name='created_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to=settings.AUTH_USER_MODEL, verbose_name='创建人'),
+        ),
+    ]

stock/migrations/0025_alter_stockchangerecord_created_by.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.2.7 on 2025-11-04 06:35
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0024_stockchangerecord_created_by'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stockchangerecord',
+            name='created_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to=settings.AUTH_USER_MODEL, verbose_name='操作人'),
+        ),
+    ]

stock/migrations/0026_stockchangerecord_finished_at.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-04 06:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0025_alter_stockchangerecord_created_by'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stockchangerecord',
+            name='finished_at',
+            field=models.DateTimeField(blank=True, null=True, verbose_name='完成时间'),
+        ),
+    ]

stock/migrations/0027_alter_inventory_num_of_rolls_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.2.7 on 2025-11-04 07:09
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0026_stockchangerecord_finished_at'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='inventory',
+            name='num_of_rolls',
+            field=models.IntegerField(default=1, verbose_name='匹数'),
+        ),
+        migrations.AlterField(
+            model_name='stockchangerecord',
+            name='num_of_rolls',
+            field=models.IntegerField(default=1, verbose_name='匹数'),
+        ),
+    ]

stock/migrations/0028_stocksnapshot.py

@@ -0,0 +1,40 @@
+# Generated by Django 5.2.7 on 2025-11-04 07:53
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0017_product_image'),
+        ('stock', '0027_alter_inventory_num_of_rolls_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='StockSnapshot',
+            fields=[
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('id', models.BigAutoField(primary_key=True, serialize=False)),
+                ('delta', models.IntegerField(verbose_name='库存数量')),
+                ('quantity_before', models.IntegerField(verbose_name='变动前库存数量')),
+                ('quantity_after', models.IntegerField(verbose_name='变动后库存数量')),
+                ('unit', models.IntegerField(choices=[(1, '米'), (2, '码'), (3, '公斤')], verbose_name='单位')),
+                ('num_of_rolls', models.IntegerField(default=1, verbose_name='匹数')),
+                ('offset_to', models.BigIntegerField(blank=True, null=True, verbose_name='冲抵目标ID')),
+                ('offset_at', models.DateTimeField(blank=True, null=True, verbose_name='冲抵时间')),
+                ('cancelled', models.BooleanField(default=False, verbose_name='已取消')),
+                ('cancelled_at', models.DateTimeField(blank=True, null=True, verbose_name='取消时间')),
+                ('offset_id', models.BigIntegerField(blank=True, null=True, verbose_name='冲抵记录ID')),
+                ('product', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='stock_snapshots', to='basic_info.product', verbose_name='产品')),
+                ('stock_change_record', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='stock_snapshots', to='stock.stockchangerecord', verbose_name='关联的库存变动记录')),
+                ('warehouse', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='stock_snapshots', to='basic_info.warehouse', verbose_name='仓库')),
+            ],
+            options={
+                'verbose_name': '库存快照',
+                'verbose_name_plural': '库存快照',
+            },
+        ),
+    ]

stock/migrations/0029_alter_inventory_quantity_and_more.py

@@ -0,0 +1,38 @@
+# Generated by Django 5.2.7 on 2025-11-04 08:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0028_stocksnapshot'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='inventory',
+            name='quantity',
+            field=models.DecimalField(decimal_places=2, max_digits=10, verbose_name='库存数量'),
+        ),
+        migrations.AlterField(
+            model_name='stockchangerecord',
+            name='quantity',
+            field=models.DecimalField(decimal_places=2, max_digits=10, verbose_name='数量'),
+        ),
+        migrations.AlterField(
+            model_name='stocksnapshot',
+            name='delta',
+            field=models.DecimalField(decimal_places=2, max_digits=10, verbose_name='库存数量'),
+        ),
+        migrations.AlterField(
+            model_name='stocksnapshot',
+            name='quantity_after',
+            field=models.DecimalField(decimal_places=2, max_digits=10, verbose_name='变动后库存数量'),
+        ),
+        migrations.AlterField(
+            model_name='stocksnapshot',
+            name='quantity_before',
+            field=models.DecimalField(decimal_places=2, max_digits=10, verbose_name='变动前库存数量'),
+        ),
+    ]

stock/migrations/0030_alter_stocksnapshot_delta.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-04 09:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0029_alter_inventory_quantity_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stocksnapshot',
+            name='delta',
+            field=models.DecimalField(decimal_places=2, max_digits=10, verbose_name='库存变动数量'),
+        ),
+    ]